D-6 class (SFC)

D-6 class

D-6 class (SFCGame)

Commissioned	2250
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The D-6 class was the original standard Klingon cruiser, until it was replaced by the more powerful D-7 class. Compared with the D-7, the D-6 had fewer phasers and the disruptors had shorter range. One of the four shipyards building D-6 and D-7 class ships never converted to D-7 production, however, and continued to produce D-6 class ships; they may have been kept in production originally to fill the light cruiser or destroyer roles. Most of the additional D-6 production was used for variants. One of the hidden strengths of the Klingon Empire was the ready availability of cruiser hulls for support variants.

The D-6 battlecruiser was in service in 2250, and featured a crew complement of 440, a capacity of eight shuttlecraft, four science labs, five transporters, and three tractor beam emitters, and was armed with two Type-F missile launchers, four Type-2 disruptor banks, and seven Type-2 phaser banks. The D-6 remained in production until 2282, when it was replaced by the D-6B refit, which was introduced in 2270. The D-6B had stronger shields; it replaced the Type-F missiles with Type-As, and added a bank of Type-3 phasers. The D-6B remained in service until 2297, when it was superseded by the D-6K refit, introduced in 2285. The D-6K replaced the Type-A missiles with Type-Bs, the Type-2 disruptors with Type-3s, and three of the Type-2 phaser banks were replaced with Type-1s.

The D-6D drone battlecruiser was also in service in 2250, and was a conversion of the D-6 designed to provide long-range fleet fire support, though it was also capable of direct combat. D-6D ships were not intended to patrol alone, and usually operated as part of a fleet. The D-6D was largely similar to a D-6, but had a crew complement of 460, a capacity of ten shuttles and only a single transporter facility; it was armed with six Type-B missile launchers and seven Type-2 phaser banks. The D-6D remained in service until 2284, when it was replaced by the D-6DB refit, introduced in 2272. The D-6DB was largely identical, but featured stronger shields.

A third variant in service in 2250 was the D-6G commando cruiser. Designed as a heavy assault transport to deliver troops to planetary combat, the D-6G was one of the most effective commando ships in known space. Because heavy cruiser hulls were difficult to spare, however, very few were built. The D-6G had a capacity of 510, stronger shields than the D-6, carried up to eleven shuttles, had nine transporters for delivering troops, and boasted four tractor beam emitters. It was armed with seven banks of Type-2 phasers, and remained in production until 2282, when it was replaced by the D-6GB refit, introduced in 2272. The D-6GB variant featured improved shielding, and added a bank of Type-3 phasers; it remained in service until 2284.

D-6 class vessels

SFC Timeline

I.K.V. Abomination  • I.K.V. Anarchy  • R.I.S. Annihilation  • I.K.V. Atropos  • I.K.V. Barbarous  • I.K.V. Bloodsheder  • I.K.V. Brutality  • I.K.V. Carnage  • I.K.V. Cataclysm  • I.K.V. Cloudburst  • I.K.V. Conquest  • I.K.V. Desecration  • I.K.V. Desolation  • I.K.V. Despicable  • I.K.V. Destruction  • I.K.V. Devastation  • I.K.V. Furious  • I.K.V. Gnasher  • I.K.V. Hailstone  • I.K.V. Havoc  • R.I.S. Hawk  • R.I.S. Kestrel  • I.K.V. Krueger  • I.K.V. Lawmaker  • I.K.V. Lightning  • I.K.V. Malicious  • I.K.V. Massacre  • I.K.V. Murderous  • I.K.V. Obliterator  • R.I.S. Patrician  • I.K.V. Pillage  • I.K.V. Plague  • I.K.V. Plunder  • R.I.S. Praetorian  • R.I.S. Proconsul  • R.I.S. Retaliation  • R.I.S. Retribution  • I.K.V. Revenge  • I.K.V. Savagery  • R.I.S. Senatarian  • R.I.S. Shrike  • I.K.V. Sorrowmaker  • I.K.V. Stormcloud  • I.K.V. Thunderbolt  • I.K.V. Thundermaker  • I.K.V. Troublemaker  • I.K.V. Turbulent  • I.K.V. Virulent  • I.K.V. Widowmaker